Endpoint建立

如将 以下3个IP的外部elasticsearch做成service名称，提供给pod内应用配置文件使用
- ip: 192.168.12.200
- ip: 192.168.12.201
- ip: 192.168.12.202

apiVersion: v1
kind: Endpoints
metadata:
  name: external-elasticsearch
  namespace: default
subsets:
- addresses:
  - ip: 192.168.12.200
  - ip: 192.168.12.201
  - ip: 192.168.12.202
  ports:
  - port: 9200
    protocol: TCP
---
apiVersion: v1
kind: Service
metadata:
  name: external-cms-elasticsearch
  namespace: default
spec:
  clusterIP: None
  ports:
  - port: 9200
    protocol: TCP
    targetPort: 9200